JP2005537846A - Ctスキャナ用の散乱防止x線遮蔽 - Google Patents

Ctスキャナ用の散乱防止x線遮蔽 Download PDF

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Publication number
JP2005537846A
JP2005537846A JP2004533795A JP2004533795A JP2005537846A JP 2005537846 A JP2005537846 A JP 2005537846A JP 2004533795 A JP2004533795 A JP 2004533795A JP 2004533795 A JP2004533795 A JP 2004533795A JP 2005537846 A JP2005537846 A JP 2005537846A
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Japan
Prior art keywords
foil
detector
scanner
ray
detectors
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Pending
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JP2004533795A
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English (en)
Japanese (ja)
Inventor
マラムド,ガブリエル
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Koninklijke Philips NV
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Koninklijke Philips Electronics NV
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Application filed by Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Publication of JP2005537846A publication Critical patent/JP2005537846A/ja
Pending legal-status Critical Current

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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/52Devices using data or image processing specially adapted for radiation diagnosis
    • A61B6/5258Devices using data or image processing specially adapted for radiation diagnosis involving detection or reduction of artifacts or noise
    • A61B6/5282Devices using data or image processing specially adapted for radiation diagnosis involving detection or reduction of artifacts or noise due to scatter
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/02Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
    • A61B6/03Computed tomography [CT]
    • A61B6/032Transmission computed tomography [CT]
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/40Arrangements for generating radiation specially adapted for radiation diagnosis
    • A61B6/4064Arrangements for generating radiation specially adapted for radiation diagnosis specially adapted for producing a particular type of beam
    • A61B6/4085Cone-beams
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N23/00Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
    • G01N23/02Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material
    • G01N23/04Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and forming images of the material
    • G01N23/046Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and forming images of the material using tomography, e.g. computed tomography [CT]
    • GPHYSICS
    • G21NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21KTECHNIQUES FOR HANDLING PARTICLES OR IONISING RADIATION NOT OTHERWISE PROVIDED FOR; IRRADIATION DEVICES; GAMMA RAY OR X-RAY MICROSCOPES
    • G21K1/00Arrangements for handling particles or ionising radiation, e.g. focusing or moderating
    • G21K1/02Arrangements for handling particles or ionising radiation, e.g. focusing or moderating using diaphragms, collimators
    • G21K1/025Arrangements for handling particles or ionising radiation, e.g. focusing or moderating using diaphragms, collimators using multiple collimators, e.g. Bucky screens; other devices for eliminating undesired or dispersed radiation
    • GPHYSICS
    • G21NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21KTECHNIQUES FOR HANDLING PARTICLES OR IONISING RADIATION NOT OTHERWISE PROVIDED FOR; IRRADIATION DEVICES; GAMMA RAY OR X-RAY MICROSCOPES
    • G21K1/00Arrangements for handling particles or ionising radiation, e.g. focusing or moderating
    • G21K1/10Scattering devices; Absorbing devices; Ionising radiation filters
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2223/00Investigating materials by wave or particle radiation
    • G01N2223/40Imaging
    • G01N2223/419Imaging computed tomograph

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  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Medical Informatics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • General Health & Medical Sciences (AREA)
  • Radiology & Medical Imaging (AREA)
  • Pathology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Public Health (AREA)
  • Animal Behavior & Ethology (AREA)
  • Optics & Photonics (AREA)
  • Veterinary Medicine (AREA)
  • Biophysics (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Pulmonology (AREA)
  • General Engineering & Computer Science (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
JP2004533795A 2002-09-04 2002-09-04 Ctスキャナ用の散乱防止x線遮蔽 Pending JP2005537846A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/IL2002/000729 WO2004023123A1 (en) 2002-09-04 2002-09-04 Anti-scattering x-ray shielding for ct scanners

Publications (1)

Publication Number Publication Date
JP2005537846A true JP2005537846A (ja) 2005-12-15

Family

ID=31972035

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2004533795A Pending JP2005537846A (ja) 2002-09-04 2002-09-04 Ctスキャナ用の散乱防止x線遮蔽

Country Status (6)

Country Link
US (1) US7236560B2 (zh)
EP (1) EP1537407A1 (zh)
JP (1) JP2005537846A (zh)
CN (1) CN1672039A (zh)
AU (1) AU2002329029A1 (zh)
WO (1) WO2004023123A1 (zh)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007292597A (ja) * 2006-04-25 2007-11-08 Hitachi Chem Co Ltd 放射線検出器
JP2016198680A (ja) * 2011-08-04 2016-12-01 ゼネラル・エレクトリック・カンパニイ コリメータ
WO2019021819A1 (ja) * 2017-07-25 2019-01-31 ソニーセミコンダクタソリューションズ株式会社 放射線検出装置

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GB0312499D0 (en) * 2003-05-31 2003-07-09 Council Cent Lab Res Councils Tomographic energy dispersive diffraction imaging system
CN100416707C (zh) 2003-06-01 2008-09-03 皇家飞利浦电子股份有限公司 Ct扫描装置的抗散射x射线准直器
US20050017182A1 (en) * 2003-07-25 2005-01-27 Siemens Medical Solutions Usa, Inc. Registered collimator device for nuclear imaging camera and method of forming the same
US7254215B2 (en) * 2003-10-28 2007-08-07 Ge Medical Systems Global Technology Company, Llc Systems and methods for reducing radiation dosage
DE102004019972A1 (de) * 2004-04-23 2005-11-17 Siemens Ag Detektormodul zur Erfassung von Röntgenstrahlung
DE102004025119B4 (de) * 2004-05-21 2012-08-02 Siemens Ag Röntgenstrahler
CN101035464A (zh) * 2004-10-06 2007-09-12 皇家飞利浦电子股份有限公司 计算层析成像方法
EP3114998A1 (en) 2005-05-31 2017-01-11 Arineta Ltd. Graded resolution field of view ct scanner
CN101262819B (zh) * 2005-09-13 2011-06-08 皇家飞利浦电子股份有限公司 Ct散射的直接测量及校正
CN100510725C (zh) * 2006-11-14 2009-07-08 北京国药恒瑞美联信息技术有限公司 用于消除散射辐射影响的虚拟滤线栅成像方法及其***
US20080118033A1 (en) * 2006-11-16 2008-05-22 General Electric Company Antiscatter grid arrangement
US8693621B2 (en) * 2008-05-01 2014-04-08 Koninklijke Philips N. V. Source and/or detector positioning system
US8873703B2 (en) * 2008-05-08 2014-10-28 Arineta Ltd. X ray imaging system with scatter radiation correction and method of using same
JP2010190830A (ja) * 2009-02-20 2010-09-02 Hamamatsu Photonics Kk 放射線検出装置
DE102009052627B4 (de) * 2009-11-10 2012-07-12 Siemens Aktiengesellschaft Streustrahlungskollimator und Verfahren zur Herstellung eines Streustrahlungskollimators
EP2410358A1 (en) * 2010-07-19 2012-01-25 European Space Agency Imaging optics and optical device for mapping a curved image field
US20120087462A1 (en) * 2010-10-12 2012-04-12 Abdelaziz Ikhlef Hybrid collimator for x-rays and method of making same
US8822931B2 (en) * 2010-11-23 2014-09-02 Koninklijke Philips N.V. PET detector modules utilizing overlapped light guides
US8437451B2 (en) * 2011-01-12 2013-05-07 Panalytical B.V. X-ray shutter arrangement
JP5674507B2 (ja) * 2011-02-28 2015-02-25 ジーイー・メディカル・システムズ・グローバル・テクノロジー・カンパニー・エルエルシー 2次元コリメータモジュール、x線検出器、x線ct装置、2次元コリメータモジュールの組立て方法、および2次元コリメータ装置の製造方法。
CN103674979B (zh) * 2012-09-19 2016-12-21 同方威视技术股份有限公司 一种行李物品ct安检***及其探测器装置
CN103330570B (zh) * 2013-04-27 2016-06-08 中国人民解放军北京军区总医院 X射线准直器、x射线准直***及移动ct扫描仪
EP2910189B1 (en) * 2014-02-21 2016-09-14 Samsung Electronics Co., Ltd X-ray grid structure and x-ray apparatus including the same
WO2016076824A1 (en) * 2014-11-10 2016-05-19 Halliburton Energy Services, Inc. Energy detection apparatus, methods, and systems
US9968314B1 (en) 2015-04-14 2018-05-15 Sebring Mechanical Design, Inc. Steerable X-ray imaging detector module
AT517438B1 (de) * 2015-07-07 2018-10-15 Alfred Dipl Ing Fuchs Vorrichtung und verfahren zur detektion von strahlung
US10646176B2 (en) * 2015-09-30 2020-05-12 General Electric Company Layered radiation detector
WO2017102831A1 (en) 2015-12-15 2017-06-22 Koninklijke Philips N.V. Radiation detector with an anti-scatter grid
US10952691B2 (en) * 2016-06-10 2021-03-23 Principle Imaging Corporation Scanning digital fluoroscope comprising multiple radiographic image detectors arranged as spokes extending radially outwardly from a central rotational point on a rotational plate
US10872701B2 (en) 2016-06-10 2020-12-22 Westinghouse Electric Company Llc Zirconium-coated silicon carbide fuel cladding for accident tolerant fuel application
DE102016226032A1 (de) 2016-12-22 2018-06-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Optische Anordnung zur Unterdrückung von Artefakten bei Röntgenuntersuchungen und Verfahren zu ihrer Herstellung
CN117518282B (zh) * 2023-11-09 2024-06-07 上海物影科技有限公司 一种小型化安检ct***

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JPH03120500A (ja) 1989-10-04 1991-05-22 Toshiba Corp 多孔コリメータ及びその製造方法
US5799057A (en) * 1996-12-26 1998-08-25 General Electric Company Collimator and detector for computed tomography systems
US5949850A (en) 1997-06-19 1999-09-07 Creatv Microtech, Inc. Method and apparatus for making large area two-dimensional grids
JP2000093418A (ja) * 1998-09-22 2000-04-04 Toshiba Corp X線検出装置およびx線イメージング装置
US6175615B1 (en) * 1999-04-12 2001-01-16 General Electric Company Radiation imager collimator
JP2001046364A (ja) 1999-08-09 2001-02-20 Hitachi Medical Corp X線検出器及びこれを用いたx線ct装置
JP3987676B2 (ja) * 2000-07-10 2007-10-10 株式会社日立メディコ X線計測装置
DE10058810A1 (de) * 2000-11-27 2002-06-06 Philips Corp Intellectual Pty Röntgendetektormodul

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007292597A (ja) * 2006-04-25 2007-11-08 Hitachi Chem Co Ltd 放射線検出器
JP2016198680A (ja) * 2011-08-04 2016-12-01 ゼネラル・エレクトリック・カンパニイ コリメータ
WO2019021819A1 (ja) * 2017-07-25 2019-01-31 ソニーセミコンダクタソリューションズ株式会社 放射線検出装置
US11313980B2 (en) 2017-07-25 2022-04-26 Sony Semiconductor Solutions Corporation Radiation detection apparatus

Also Published As

Publication number Publication date
WO2004023123A1 (en) 2004-03-18
US7236560B2 (en) 2007-06-26
US20060039527A1 (en) 2006-02-23
AU2002329029A1 (en) 2004-03-29
CN1672039A (zh) 2005-09-21
EP1537407A1 (en) 2005-06-08

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